Molekula
tri-Potassium citrate monohydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tri-Potassium citrate monohydrate is a water-soluble salt used as a buffering agent, food additive, and in pharmaceutical formulations. It is also employed in laboratory reagents and as a chelating agent. Available with CAS number 6100-05-6, molecular formula K3C6H5O7•H2O, and molecular weight 324.41 g/mol. Stored at ambient temperature with no signal word.
Molekula supplies tri-Potassium citrate monohydrate at ≥ 99.0% purity in 1 kg packs, from £50.04 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £41.70 per pack ex VAT · £50.04 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Assay/Purity | ≥ 99.0% |
| Loss on Drying | 3.0 - 6.0% |
| Lead (Pb) | ≤ 0.001% |
| Identification (IR) | Conforms to Reference |
| Arsenic (As) | ≤ 0.0003% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 21508672 |
| CAS Number | 6100-05-6 |
| IUPAC Name | tripotassium;2-hydroxypropane-1,2,3-tricarboxylate;hydrate |
| Molecular Formula | K3C6H5O7•H2O |
| Molecular Weight | 324.41 |
| Exact Mass | 323.9052 |
| SMILES | C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.[K+].[K+].[K+] |
| InChIKey | PJAHUDTUZRZBKM-UHFFFAOYSA-K |
| InChI | InChI=1S/C6H8O7.3K.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;1H2/q;3*+1;/p-3 |
| PubChem CID | 2735208 |
| REACH Code | Y113 |
| HTS Code | 29181550 |
| Tariff Code | 2918150090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Cymaclear
- Effercitrate
- INS NO.332(II)
- K-cit-v
- Kali Citricum
- Kalii citras
- Pot cit
- Potassium citrate monohydrate
- Potassium-cit
- UROCIT-K
Frequently asked questions
What is tri-Potassium citrate monohydrate used for?
It is commonly used as a buffering agent, stabilizer, and in pharmaceutical formulations, particularly in electrolyte solutions and kidney stone prevention supplements.
What is the chemical formula and molecular weight of tri-Potassium citrate monohydrate?
The formula is K3C6H5O7•H2O with a molecular weight of 324.41 g/mol.
How should tri-Potassium citrate monohydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade is available for tri-Potassium citrate monohydrate?
It is supplied as a white crystalline powder with an assay of ≥ 99.0%, loss on drying of 3.0 - 6.0%, lead (Pb) ≤ 0.001%, arsenic (As) ≤ 0.0003%, and identification by IR conforming to reference.
Can Molekula supply tri-Potassium citrate monohydrate in bulk?
Yes, Molekula can supply tri-Potassium citrate monohydrate in bulk quantities—please contact sales for pricing and availability.
What documentation comes with an order of tri-Potassium citrate monohydrate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Where can I buy tri-Potassium citrate monohydrate?
Directly from Molekula, which lists tri-Potassium citrate monohydrate in 1 kg packs from £50.04 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.